学习应使人感到快乐，否则不能称之为真正的学习。

I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.

I'm not a god, I'm a human being with flaws.

I'm not perfect, but I'm always striving to be better.

Sustainable practices aren't just good for the planet; they're good for business in the long run.

"The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves."